 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
V58C2256 Datasheet(PDF) 31 Page - Mosel Vitelic, Corp |
|
|
|||||||||||||||||||||||||||||
V58C2256 Datasheet(HTML) 31 Page - Mosel Vitelic, Corp |
|
|
31 / 61 page  31 MOSEL VITELIC V58C2256(804/404/164)S V58C2256(804/404/164)S Rev. 1.4 October 2002 TRUTH TABLE 4 – Current State Bank n - Command to Bank m (Notes: 1-6; notes appear below and on next page) NOTE: 1. This table applies when CKEn-1 was HIGH and CKEn is HIGH (see Truth Table 2) and after tXSR has been met (if the previous state was self refresh). 2. This table describes alternate bank operation, except where noted, i.e., the current state is for bank n and the commands shown are those allowed to be issued to bank m (assuming that bank m is in such a state that the given command is allowable). Exceptions are covered in the notes below. 3. Current state definitions: Idle: The bank has been precharged, and tRP has been met. Row Active: A row in the bank has been activated, and tRCD has been met. No data bursts/accesses and no register accesses are in progress. Read: A READ burst has been initiated, with AUTO PRECHARGE disabled, and has not yet terminated or been terminated. Write: A WRITE burst has been initiated, with AUTO PRECHARGE disabled, and has not yet terminated or been terminated. CURRENT STATE /CS /RAS /CAS /WE COMMAND/ACTION NOTES Any H X X X DESELECT (NOP/continue previous operation) L H H H NO OPERATION (NOP/continue previous operation) Idle X X X X Any Command Otherwise Allowed to Bank m Row Activating, Active, or Precharging L L H H ACTIVE (select and activate row) L H L H READ (select column and start READ burst) 7 L H L L WRITE (select column and start WRITE burst) 7 L L H L PRECHARGE Read (Auto-Precharge Disabled) L L H H ACTIVE (select and activate row) L H L H READ (select column and start new READ burst) 7 L L H L PRECHARGE Write (Auto- Precharge Disabled) L L H H ACTIVE (select and activate row) L H L H READ (select column and start READ burst) 7, 8 L H L L WRITE (select column and start new WRITE burst) 7 L L H L PRECHARGE Read (With Auto-Precharge) L L H H ACTIVE (select and activate row) L H L H READ (select column and start new READ burst) 3a, 7 L H L L WRITE (select column and start WRITE burst) 3a, 7, 9 L L H L PRECHARGE Write (With Auto-Precharge) L L H H ACTIVE (select and activate row) L H L H READ (select column and start READ burst) 3a, 7 L H L L WRITE (select column and start new WRITE burst) 3a, 7 L L H L PRECHARGE |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
